99995901 has 4 divisors (see below), whose sum is σ = 133327872. Its totient is φ = 66663932.

The previous prime is 99995899. The next prime is 99995923. The reversal of 99995901 is 10959999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99995901 - 2¹ = 99995899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99991901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16665981 + ... + 16665986.

It is an arithmetic number, because the mean of its divisors is an integer number (33331968).

Almost surely, 2^99995901 is an apocalyptic number.

It is an amenable number.

99995901 is a deficient number, since it is larger than the sum of its proper divisors (33331971).

99995901 is a wasteful number, since it uses less digits than its factorization.

99995901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33331970.

The product of its (nonzero) digits is 295245, while the sum is 51.

The square root of 99995901 is about 9999.7950478997. The cubic root of 99995901 is about 464.1525413171.

The spelling of 99995901 in words is "ninety-nine million, nine hundred ninety-five thousand, nine hundred one".